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Finding the Fourth Proportional to 412,345.99, 569,073.69 and 240,255.01

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Solution

The fourth proportional to 412,345.99, 569,073.69 and 240,255.01 is: 331,573.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,345.99 : 569,073.69 = 240,255.01 : x
  2. Step 2: Convert to fraction form
    412,345.99/569,073.69 = 240,255.01/x
  3. Step 3: Cross multiply
    412,345.99x = 569,073.69 × 240,255.01
  4. Step 4: Simplify right side
    412,345.99x = 136,722,801,035.04
  5. Step 5: Solve for x
    x = 136,722,801,035.04/412,345.99
  6. Step 6: Final answer
    x = 331,573.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.